Initial import of STM32 IoT sensor node

2026-10-19 15:47:18 +08:00
commit a51794b022
100 changed files with 46274 additions and 0 deletions
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+#ifndef __BITBAND_H
+#define __BITBAND_H
+
+#include <stm32f10x_conf.h>
+
+// 计算位带地址的宏，addr表示实际地址，
+// bitnum表示实际地址位的编号
+// 0x2000 0101 - 5   ---> 0x2202 0214
+#define BITBAND(addr, bitnum) \
+    ((addr&0xF0000000) + 0x2000000 + \
+    ((addr & 0xFFFFF) << 5) + (bitnum << 2))
+    
+#define MEM_ADDR(addr) *(volatile unsigned int *)(addr)
+
+// 根据实际地址和位编号，返回位带的地址的指针并解引用。
+#define BIT_BAND(addr, bitnum) MEM_ADDR(BITBAND(addr, bitnum))
+
+#define GPIOA_IDR_ADDR (GPIOA_BASE + 0x08)
+#define GPIOA_ODR_ADDR (GPIOA_BASE + 0x0C)
+
+#define GPIOB_IDR_ADDR (GPIOB_BASE + 0x08)
+#define GPIOB_ODR_ADDR (GPIOB_BASE + 0x0C)
+
+#define GPIOC_IDR_ADDR (GPIOC_BASE + 0x08)
+#define GPIOC_ODR_ADDR (GPIOC_BASE + 0x0C)
+
+#define GPIOD_IDR_ADDR (GPIOD_BASE + 0x08)
+#define GPIOD_ODR_ADDR (GPIOD_BASE + 0x0C)
+
+#define GPIOE_IDR_ADDR (GPIOE_BASE + 0x08)
+#define GPIOE_ODR_ADDR (GPIOE_BASE + 0x0C)
+
+#define PAOut(n) BIT_BAND(GPIOA_ODR_ADDR, n)
+#define PAIn(n)  BIT_BAND(GPIOA_IDR_ADDR, n)
+
+#define PBOut(n) BIT_BAND(GPIOB_ODR_ADDR, n)
+#define PBIn(n)  BIT_BAND(GPIOB_IDR_ADDR, n)
+
+#define PCOut(n) BIT_BAND(GPIOC_ODR_ADDR, n)
+#define PCIn(n)  BIT_BAND(GPIOC_IDR_ADDR, n)
+
+#define PDOut(n) BIT_BAND(GPIOD_ODR_ADDR, n)
+#define PDIn(n)  BIT_BAND(GPIOD_IDR_ADDR, n)
+
+#define PEOut(n) BIT_BAND(GPIOE_ODR_ADDR, n)
+#define PEIn(n)  BIT_BAND(GPIOE_IDR_ADDR, n)
+
+#endif // __BITBAND_H